纯度 | >95%SDS-PAGE. |
种属 | Human |
靶点 | BCHE |
Uniprot No | P06276 |
内毒素 | < 0.01EU/μg |
表达宿主 | E.coli |
表达区间 | 29-602aa |
氨基酸序列 | EDDIIIATKNGKVRGMNLTVFGGTVTAFLGIPYAQPPLGRLRFKKPQSLT KWSDIWNATKYANSCCQNIDQSFPGFHGSEMWNPNTDLSEDCLYLNVWIP APKPKNATVLIWIYGGGFQTGTSSLHVYDGKFLARVERVIVVSMNYRVGA LGFLALPGNPEAPGNMGLFDQQLALQWVQKNIAAFGGNPKSVTLFGESAG AASVSLHLLSPGSHSLFTRAILQSGSFNAPWAVTSLYEARNRTLNLAKLT GCSRENETEIIKCLRNKDPQEILLNEAFVVPYGTPLSVNFGPTVDGDFLT DMPDILLELGQFKKTQILVGVNKDEGTAFLVYGAPGFSKDNNSIITRKEF QEGLKIFFPGVSEFGKESILFHYTDWVDDQRPENYREALGDVVGDYNFIC PALEFTKKFSEWGNNAFFYYFEHRSSKLPWPEWMGVMHGYEIEFVFGLPL ERRDNYTKAEEILSRSIVKRWANFAKYGNPNETQNNSTSWPVFKSTEQKY LTLNTESTRIMTKLRAQQCRFWTSFFPKVLEMTGNIDEAEWEWKAGFHRW NNYMMDWKNQFNDYTSKKESCVGLVDHHHHHH |
预测分子量 | 66 kDa |
蛋白标签 | His tag N-Terminus |
缓冲液 | PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300. |
稳定性 & 储存条件 | Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months. |
复溶 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
以下是关于BCHE(丁酰胆碱酯酶)重组蛋白的3篇参考文献,包含文献名称、作者及摘要内容概括:
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1. **文献名称**: "High-level expression of recombinant human butyrylcholinesterase in transgenic plants"
**作者**: Geyer BC et al.
**摘要**: 该研究利用植物表达系统(如烟草)实现了人源BCHE重组蛋白的高效表达,证明其酶活性和稳定性与天然蛋白相似,为大规模生产解毒剂提供新途径。
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2. **文献名称**: "Crystal structure of recombinant human butyrylcholinesterase and its mutants"
**作者**: Nachon F et al.
**摘要**: 通过X射线晶体学解析了重组人BCHE及其突变体的三维结构,揭示了关键活性位点与底物结合机制,为设计新型抑制剂奠定基础。
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3. **文献名称**: "Recombinant butyrylcholinesterase as a detoxifying agent against organophosphate poisoning"
**作者**: Ashani Y et al.
**摘要**: 研究证明重组BCHE蛋白可有效中和有机磷类神经毒剂,并在动物模型中显著提高存活率,验证其作为广谱解毒剂的潜力。
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如需更多文献或具体研究方向,可进一步补充说明。
Butyrylcholinesterase (BChE), also known as pseudocholinesterase, is a serine hydrolase primarily synthesized in the liver and distributed in plasma, the nervous system, and other tissues. It plays a critical role in hydrolyzing esters, including acetylcholine analogs, succinylcholine, and cocaine, thereby contributing to detoxification and metabolic regulation. Unlike acetylcholinesterase (AChE), which is synaptic and neuron-specific, BChE exhibits broader substrate specificity and tissue distribution, making it a versatile biocatalyst and therapeutic target.
Recombinant BChE production emerged to address limitations in sourcing native human BChE from blood, which is scarce and carries contamination risks. Using genetic engineering, the BCHE gene is expressed in heterologous systems like Chinese hamster ovary (CHO) cells, Escherichia coli, or plant-based platforms. Mammalian systems are preferred for producing glycosylated, bioactive forms, while prokaryotic systems enable cost-effective production of non-glycosylated variants for structural studies or biosensor applications.
Recombinant BChE has gained attention for its therapeutic potential. It serves as a bioscavenger against organophosphate poisoning by irreversibly binding to nerve agents before they inhibit AChE. It also detoxifies cocaine overdose and prolongs the effects of neuromuscular-blocking drugs. Additionally, altered BChE activity is linked to neurodegenerative diseases like Alzheimer’s, spurring research into its role in amyloid-beta metabolism.
Challenges remain in scaling production and maintaining enzyme stability. Advances in protein engineering, such as PEGylation or fusion proteins, aim to enhance its pharmacokinetics. Overall, recombinant BChE represents a promising tool for drug development, detoxification therapies, and understanding neurological disorders, bridging biochemistry with clinical innovation.
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艾普蒂生物在重组蛋白和天然蛋白开发领域经验十分丰富,拥有超过 2 万种重组蛋白的开发案例。在四大重组蛋白表达平台的运用上,艾普蒂生物不仅经验老到,还积累了详实的成功案例。针对客户的工业化生产需求,我们能够定制并优化实验方案。通过小试探索、工艺放大以及条件优化等环节,对重组蛋白基因序列进行优化,全面探索多种条件,精准找出最契合客户需求的生产方法。 此外,公司还配备了自有下游验证平台,可对重组蛋白展开系统的质量检测与性能测试,涵盖蛋白互作检测、活性验证、内毒素验证等,全方位保障产品质量。 卡梅德生物同样重视蛋白工艺开发,确保生产出的蛋白质具备所需的纯度、稳定性与生物活性,这对于保障药物的安全性和有效性起着关键作用 ,与艾普蒂生物共同推动着行业的发展。
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